in response Response to the controversy Communication , the american association for the advancement of science ( aaas ) , the american meteorological society ( ams ) and the union of concerned scientists ( ucs ) released Statement statements Statement supporting Supporting the scientific consensus that the earth 's mean surface temperature had been rising Cause_change_of_position_on_a_scale for decades , with the aaas concluding Coming_to_believe : `` based on multiple lines of scientific evidence that global climate change Change caused Causation by human activities is now underway ... it is a growing Expansion threat to society '' .

A violent tornado near Union City , Oklahoma was documented Recording in its entirety by chasers of the Tornado Intercept Project ( TIP ) in 1973 and visual observations led to Causation advancement in understanding of tornado structure and life cycles .

Important work on developing and coordinating mobile mesonets came from the field projects , and analysis of data collected Come_together in subsequent years led to Causation significant advancement in understanding of supercell and tornado morphology and dynamics .

The advancement of Russian forces Hostile_encounter toward the Ottomans forced the Ottomans to sign Sign_agreement a peace treaty on 3 March 1878 , recognising Know the independence of Montenegro , as well as Romania and Serbia , and also increased Cause_change_of_position_on_a_scale Montenegro 's territory from 4,405 km² to 9,475 km² .